Table 3.
Ratios of chemoreceptors and signaling proteins to CheA orthologues in different growth conditions.
| Signaling Protein | MM + 0.2 mM Pi | MM + 1 mM Pi | LB |
|---|---|---|---|
| Chemoreceptors | |||
| Che receptors vs. CheA1 a | 0.25 | 0.28 | 0.4 |
| McpB/Aer2 vs. CheA2 | 8.2 | 4.3 | 32 |
| PilJ vs. CheA4 | 9.0 | 6.0 | 3.8 |
| Coupling proteins | |||
| CheW1 vs. CheA1 | 5.6 | 3.4 | 3.9 |
| CheV vs. CheA1 | 3.1 | 1.6 | 1.0 |
| CheW2 vs. CheA2 | 0.67 | 0.1 | - b |
| CheW4-1 vs. CheA4 | 16.9 | 3.7 | 5.1 |
| CheW4-2 vs. CheA4 | 26.9 | 4.5 | 5.3 |
| Response regulator homologs | |||
| CheY1 vs. CheA1 | 0.19 | 0.26 | 0.32 |
| CheY2 vs. CheA2 | 1.7 | 0.47 | 4.1 |
| PilG (CheY4-1) vs. CheA4 | 99 | 24 | 24 |
| PilH (CheY4-2) vs. CheA4 | 71 | 17 | 15 |
| CheB1 vs. CheA1 | 0.35 | 0.81 | 0.76 |
| CheB2 vs. CheA2 | 0.16 | 0.38 | - b |
| CheB4 vs. CheA4 | - b | 0.74 | 0.93 |
| CheR | |||
| CheR1 vs. CheA1 | 0.39 | 0.87 | 0.95 |
| CheR4 vs. CheA4 | - b | 0.29 | - b |
a Sum of chemoreceptors that were predicted to feed into the Che pathway (in black in Figure 3). b Proteins not detected in the proteomic analysis under this growth condition.